Derma also commonly known as Skin and Dermatology is the branch of science which deals with the treatment of hair, nails and skin diseases. A dermatologist treats all varieties of skin diseases, in the widest range and some cosmetic problems, includes the skin, scalp, hair, and nails. Some of the most and major common skin diseases that are treated by dermatologists are skin cancer, warts, fungal infections, and psoriasis and hair loss. Melanoma is the most serious disease. Therapeutic Dermatology provides many propelled treatments for dermatologic issues. Dermato-pathology involves the microscopic examination, description and interpretation of diagnostic assay specimens obtained from the skin. Detection of disease by microscopic observation is performed by Dermato-pathologist.